java.lang.NumberFormatException: For input string: "" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48) at java.lang.Integer.parseInt(Integer.java:470) at java.lang.Integer.parseInt(Integer.java:499) at oracle.jdeveloper.webservices.wsdl.CachedWSDLReader.getNewReaderInstance(CachedWSDLReader.java:346) at oracle.jdeveloper.webservices.wsdl.CachedWSDLReader$1.initialValue(CachedWSDLReader.java:280) at oracle.jdeveloper.webservices.wsdl.CachedWSDLReader$1.initialValue(CachedWSDLReader.java:276) at java.lang.ThreadLocal.setInitialValue(ThreadLocal.java:141) at java.lang.ThreadLocal.get(ThreadLocal.java:131) at oracle.jdeveloper.webservices.wsdl.CachedWSDLReader.getReaderImpl(CachedWSDLReader.java:286) at oracle.jdeveloper.webservices.wsdl.CachedWSDLReader.readWSDLInternal(CachedWSDLReader.java:479) at oracle.jdeveloper.webservices.wsdl.CachedWSDLReader.readWSDL(CachedWSDLReader.java:451) at oracle.jdeveloper.webservices.wsdl.CachedWSDLReader.readWSDL(CachedWSDLReader.java:422) at oracle.jdevimpl.webservices.wizard.jaxrpc.common.SpecifyWsdlPanel.fetchWSDL(SpecifyWsdlPanel.java:1036) at oracle.jdevimpl.webservices.wizard.jaxrpc.common.SpecifyWsdlPanel$1.run(SpecifyWsdlPanel.java:355) at oracle.ide.dialogs.ProgressBar.run(ProgressBar.java:655) at java.lang.Thread.run(Thread.java:662)